NEETBiologyMolecular Basis of InheritanceMCQ+4 / −1
In lac operon, z gene codes for
- ATransacetylase
- B-galactosidase
- CPermease
- DRepressor
View written solutionFree
Correct answer: B
In lac operon, z gene codes for $\beta$-galactosidase.
Transacetylase, permease and repressor protein are coded by genes 'a', 'y' and 'i' respectively.
More from Molecular Basis of Inheritance
- Against the codon 5' UAC 3', what would be the sequence of anticodon on tRNA?2022 · MCQ
- If A and C make 30% and 20% of DNA, respectively, what will be the percentage composition of T and G?2022 · MCQ
- DNA polymorphism forms the basis of:2022 · MCQ
- Read the following statements and choose the set of correct statements: (a) Euchromatin is loosely packed chromatin (b) Heterochromatin is transcriptionally active (c) Histone octamer is wrapped by negatively charged DNA in nucleosome (d)…2022 · MCQ
- Transposons can be used during which one of the following?2022 · MCQ
- If a geneticist uses the blind approach for sequencing the whole genome of an organism, followed by assignment of function to different segments, the methodology adopted by him is called as :2022 · MCQ
- If the length of a DNA molecule is 1.1 metres, what will b the approximate number of base pairs?2022 · MCQ
- In an E. Coli strain i gene gets mutated and its product can not bind the inducer molecule. If growth medium is provided with lactose, what will be the outcome?2022 · MCQ